Am I pregnant?

Esme
I had unprotected sex about a week ago 3-4 days before ovulation then i had sex yesterday and i think my bf came in me ive been feeling really tired and been cramping 
Last month i had spotting when i would wipe myself pink would come out then brownish spotting fee hours later i think i had my period now this month im waiting to see if i get it on the 12th what are my chances of being pregnant please help !!!!!